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ENERGY STAR is a U.S. registered trademark. As an ENERGY STAR Partner, Lenovo has determined that this product meets guidelines for energy efficiency.

Limitations

Supported display modes are a function of the attaching system unit and video subsystem. The full range of display modes available with these monitors may not be available or supported with all combinations of system units, their operating systems, video adapter cards, and application software.

Horizontal- and vertical-synchronization signal timings are critical in order to achieve acceptable screen images. As a consequence, support for all possible variations in H- and V-sync timings for any display mode cannot be assumed.

Adjustment of the user controls to enlarge the image to its maximum size requires that the signal timings of the display mode being used fall within the monitor-timing specifications.

The number of colors shown in any display mode will exceed 16 million and dependent on the capabilities of the video adapter in the system unit.

Implementation of monitor power management follows the VESA DPMS standard. This standard must also be implemented in the attaching system unit hardware and software for monitor power management to be effective. The system implementation must provide user-adjustable, power-down delay periods. The monitor power management function is invoked only after appropriate signals are received from an attached system unit or video adapter.

Implementation of monitor Plug and Play follows the VESA DDC standard. This standard must also be implemented in the attaching system unit hardware and software for monitor Plug and Play to be effective.

Certain functions require the system unit to be similarly configured, so all monitor functions may not be enabled when attached to a particular system unit.

A 17.0-inch TFT monitor has nearly 4.0 million subpixel transistors laid over an area exceeding 140 square inches. Cost-effective manufacturing processes introduce a small number of defective subpixel transistors. The L171p meets the ISO 13406-2 Class 2 Pixel Defect Standard.

Use of 50% gray background is not recommended since some users may experience undesirable FOS effects.